Home / 13,174.56-18,180.48-7,507.80

Finding the Fourth Proportional to 13,174.56, 18,180.48 and 7,507.80

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Solution

The fourth proportional to 13,174.56, 18,180.48 and 7,507.80 is: 10,360.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.56 : 18,180.48 = 7,507.80 : x
  2. Step 2: Convert to fraction form
    13,174.56/18,180.48 = 7,507.80/x
  3. Step 3: Cross multiply
    13,174.56x = 18,180.48 × 7,507.80
  4. Step 4: Simplify right side
    13,174.56x = 136,495,407.74
  5. Step 5: Solve for x
    x = 136,495,407.74/13,174.56
  6. Step 6: Final answer
    x = 10,360.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.